Home / 18,157,160.44-25,056,126.66-9,897,040.72

Finding the Fourth Proportional to 18,157,160.44, 25,056,126.66 and 9,897,040.72

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Solution

The fourth proportional to 18,157,160.44, 25,056,126.66 and 9,897,040.72 is: 13,657,504.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,157,160.44 : 25,056,126.66 = 9,897,040.72 : x
  2. Step 2: Convert to fraction form
    18,157,160.44/25,056,126.66 = 9,897,040.72/x
  3. Step 3: Cross multiply
    18,157,160.44x = 25,056,126.66 × 9,897,040.72
  4. Step 4: Simplify right side
    18,157,160.44x = 247,981,505,839,497.62
  5. Step 5: Solve for x
    x = 247,981,505,839,497.62/18,157,160.44
  6. Step 6: Final answer
    x = 13,657,504.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.